IFNAMSIZ includes terminating 0

http://www.delorie.com/gnu/docs/glibc/libc_308.html
thus reverting devname to IFNAMSIZ
and making sure (*tun)->devname[IFNAMSIZ-1] = 0;

Signed-off-by: Emmanuel Bretelle <chantra@debuntu.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/tun.c b/lib/tun.c
index 0f39994..03d057c 100644
--- a/lib/tun.c
+++ b/lib/tun.c
@@ -688,7 +688,7 @@ int tun_new(struct tun_t **tun)
   } 
   
   strncpy((*tun)->devname, ifr.ifr_name, IFNAMSIZ);
-  (*tun)->devname[IFNAMSIZ] = 0;
+  (*tun)->devname[IFNAMSIZ-1] = 0;
   
   ioctl((*tun)->fd, TUNSETNOCSUM, 1); /* Disable checksums */
   return 0;